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AK Steel 444 Ferritic Stainless steel
| Category | Metal , Ferrous Metal , Ferritic , Stainless Steel , T 400 Series Stainless Steel |
| Manufacturer | AK Steel |
| Trade Name | |
| Port | Shanghai port,China |
| Trade Terms | FOB, CFR, CIF |
| Payment Terms | L/C, T/T, Western Union |
| Download PDF | AK Steel 444 Ferritic Stainless steel.pdf  |
| Price | EMAIL US sales@lookpolymers.com |
Material Notes:
AK Steel 444 is a low-carbon, low nitrogen, ferritic stainless steel that provides pitting and crevice corrosion resistance superior to most ferritic stainless steels. Applications requiring superior corrosion resistance and resistance to chloride stress corrosion cracking are ideal for this alloy. Current uses include food processing, brewery and wine-making equipment; hot-water tanks and heat exchanger tubing and automotive components.Information provided by AK Steel
| Physical Properties | Metric | English | Comments |
|---|---|---|---|
| Density | 7.75 g/cc | 0.280 lb/in³ |
| Mechanical Properties | Metric | English | Comments |
|---|---|---|---|
| Hardness, Rockwell B | <= 90 | <= 90 | |
| Tensile Strength, Ultimate | >= 414 MPa | >= 60000 psi | |
| Tensile Strength, Yield | 360 MPa @Strain 0.200 % |
52200 psi @Strain 0.200 % |
|
| Elongation at Break | >= 20 % | >= 20 % | in 2 inches |
| Thermal Properties | Metric | English | Comments |
|---|---|---|---|
| CTE, linear | 11.0 µm/m-°C @Temperature 0.000 - 100 °C |
6.11 µin/in-°F @Temperature 32.0 - 212 °F |
|
| Specific Heat Capacity | 0.427 J/g-°C @Temperature 0.000 - 100 °C |
0.102 BTU/lb-°F @Temperature 32.0 - 212 °F |
|
| Thermal Conductivity | 26.8 W/m-K @Temperature 100 °C |
186 BTU-in/hr-ft²-°F @Temperature 212 °F |
| Component Elements Properties | Metric | English | Comments |
|---|---|---|---|
| Carbon, C | <= 0.025 % | <= 0.025 % | |
| Chromium, Cr | 17.5 - 19.5 % | 17.5 - 19.5 % | |
| Iron, Fe | >= 74.105 % | >= 74.105 % | As Remainder |
| Manganese, Mn | <= 1.0 % | <= 1.0 % | |
| Molybdenum, Mo | 1.75 - 2.5 % | 1.75 - 2.5 % | |
| Nickel, Ni | <= 1.0 % | <= 1.0 % | |
| Other, total | 0.20 - 0.80 % | 0.20 - 0.80 % | |
| Phosphorous, P | <= 0.040 % | <= 0.040 % | |
| Silicon, Si | <= 1.0 % | <= 1.0 % | |
| Sulfur, S | <= 0.030 % | <= 0.030 % |
| Electrical Properties | Metric | English | Comments |
|---|---|---|---|
| Electrical Resistivity | 0.0000570 ohm-cm | 0.0000570 ohm-cm |
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